Manufactured from good material, provides accurate, reliable results. Accommodates most sample volumes, and is compatible with most spectrophotometers and photometers. workmanship, durable and practical, small and convenient. Adapts to the needs of most laboratory applications. Features -Color:Transparent -Material:Plastic,Quartz -Size:4.50X2.25X1.25cm/1.77X0.88X0.49in - High transparency, widely used in chemical, pharmaceutical and other industries, excellent and useful. - The cuvette instrument adapts to the needs of most laboratory applications. - It is simple in design, but it's practical to use, which will give you fantastic use experience. - Any solution containing substances that corrode item should not be kept in a cuvette for a long time. - Do not place the cuvette on a flame or electric furnace for heating or baking in a drying box. - When it is found that the inside of the cuvette is contaminated, it should be cleaned with absolute and wiped clean in time. Package list: 8 x Cuvettes